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- THE EFFECT OF ZEOLITE STRUCTURE AND SILICA ALUMINA RATIO ON ETHYLENE SELECTIVITY IN FCC 分子筛孔结构和硅铝比对催化裂化产品中乙烯选择性的影响
- SYNTHESIS AND CATALYTIC CRACKING PERFORMANCE OF ZSM-5 ZEOLITES WITH HIGH SILICA ALUMINA RATIO 高硅铝比ZSM-5分子筛的合成及催化裂化性能研究
- silica alumina ratio 硅铝比,硅铝率
- The thermal and hydrothermal stability of MSU-2 increased with the increasing silica to alumina ratio,the MSU-2 has a matchable thermal stability with NaY zeolite,and a matchable hydrothermal stability with HZSM-5 (n(SiO 2)/n(Al 2O 3)=38) zeolite. 实验结果表明 ,中孔分子筛MSU -2热稳定性与NaY分子筛相当 ,水热稳定性与HZSM -5 (n(SiO2 ) /n(Al2 O3 )为 38)相当 ,随着n(SiO2 ) /n(Al2 O3 )的增大 ,MSU -2的热和水热稳定性增强 ;
- The progress of synthesis of silica alumina catalysts with the range of the pore diameter increases from micropore to mesopore and the application of sol\|gel method are reviewed. 本文综述了硅铝催化材料合成方面的最新进展即所合成的催化剂的孔径从微孔向中孔发展以及利用以溶胶-凝胶法为代表的新制备技术。
- Keywords silica alumina ferro alloy ore heating mode deoxidation absorption rate; 关键词硅铝铁合金;矿热法;脱氧;铝吸收率;
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项,末项比率或数列中第一个或最后一个项
- The crude oil is chromatographed over silica gel. 粗制油状物用硅胶进行色谱分离。
- A new type of alumina ceramic passed this test. 一种新型氧化铝管通过了这个测试。
- Containing little silica, as igneous rocks. 基性的基性的,含有比较少量的二氧化硅的作为火成岩的
- Zibo Asahi Glass Alumina Materials Co., Ltd. 淄博旭硝子刚玉材料有限公司。
- It is a compound of aluminum, silica, and fluorine. 它是铝、硅和氟的化合物。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- Containing or yielding aluminum, alumina, or alum. 含铝的;产铝的含有或出产铝、氧化铝或明矾的
- Containing little silica,as igneous rocks. 基性的基性的,含有比较少量的二氧化硅的作为火成岩的
- The ratio of men to women was two to one. 男女的比例是二比一。
- Silica is a basic unit in many ceramics. 硅是一种基本的陶瓷制品。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries